add various channel mode tests

irctest/controllers/ngircd.py

@@ -28,6 +28,9 @@
 [Operator]
     Name = operuser
     Password = operpassword
+
+[Limits]
+    MaxNickLength = 32  # defaults to 9
 """
 
 

irctest/server_tests/chmodes/modeis.py

@@ -0,0 +1,65 @@
+from irctest import cases
+from irctest.numerics import RPL_CHANNELCREATED, RPL_CHANNELMODEIS
+from irctest.patma import ANYSTR, ListRemainder
+
+
+class RplChannelModeIsTestCase(cases.BaseServerTestCase):
+    @cases.mark_specifications("Modern")
+    def testChannelModeIs(self):
+        """Test RPL_CHANNELMODEIS and RPL_CHANNELCREATED as responses to
+        `MODE #channel`:
+        <https://modern.ircdocs.horse/#rplcreationtime-329>
+        <https://modern.ircdocs.horse/#rplchannelmodeis-324>
+        """
+        expected_numerics = {RPL_CHANNELMODEIS, RPL_CHANNELCREATED}
+        if self.controller.software_name in ("irc2", "Sable"):
+            # irc2 and Sable don't use timestamps for conflict resolution,
+            # consequently they don't store the channel creation timestamp
+            # and don't send RPL_CHANNELCREATED
+            expected_numerics = {RPL_CHANNELMODEIS}
+
+        self.connectClient("chanop", name="chanop")
+        self.joinChannel("chanop", "#chan")
+        # i, n, and t are specified by RFC1459; some of them may be on by default,
+        # but after this, at least those three should be enabled:
+        self.sendLine("chanop", "MODE #chan +int")
+        self.getMessages("chanop")
+
+        self.sendLine("chanop", "MODE #chan")
+        messages = self.getMessages("chanop")
+        self.assertEqual(expected_numerics, {msg.command for msg in messages})
+        for message in messages:
+            if message.command == RPL_CHANNELMODEIS:
+                # the final parameters are the mode string (e.g. `+int`),
+                # and then optionally any mode parameters (in case the ircd
+                # lists a mode that takes a parameter)
+                self.assertMessageMatch(
+                    message,
+                    command=RPL_CHANNELMODEIS,
+                    params=["chanop", "#chan", ListRemainder(ANYSTR, min_length=1)],
+                )
+                final_param = message.params[2]
+                self.assertEqual(final_param[0], "+")
+                enabled_modes = list(final_param[1:])
+                break
+
+        self.assertLessEqual({"i", "n", "t"}, set(enabled_modes))
+
+        # remove all the modes listed by RPL_CHANNELMODEIS
+        self.sendLine("chanop", f"MODE #chan -{''.join(enabled_modes)}")
+        response = self.getMessage("chanop")
+        self.assertMessageMatch(response, command="MODE", params=["#chan", ANYSTR])
+        self.assertEqual(response.params[1][0], "-")
+        self.assertEqual(set(response.params[1][1:]), set(enabled_modes))
+
+        self.sendLine("chanop", "MODE #chan")
+        messages = self.getMessages("chanop")
+        self.assertEqual(expected_numerics, {msg.command for msg in messages})
+        # all modes have been disabled; the correct representation of this is `+`
+        for message in messages:
+            if message.command == RPL_CHANNELMODEIS:
+                self.assertMessageMatch(
+                    message,
+                    command=RPL_CHANNELMODEIS,
+                    params=["chanop", "#chan", "+"],
+                )

irctest/server_tests/chmodes/operator.py

@@ -0,0 +1,148 @@
+from irctest import cases
+from irctest.numerics import (
+    ERR_CHANOPRIVSNEEDED,
+    ERR_NOSUCHCHANNEL,
+    ERR_NOSUCHNICK,
+    ERR_NOTONCHANNEL,
+    ERR_USERNOTINCHANNEL,
+)
+
+
+class ChannelOperatorModeTestCase(cases.BaseServerTestCase):
+    """Test various error and success cases around the channel operator mode:
+    <https://modern.ircdocs.horse/#channel-operators>
+    <https://modern.ircdocs.horse/#mode-message>
+    """
+
+    def setupNicks(self):
+        """Set up a standard set of three nicknames and two channels
+        for testing channel-user MODE interactions."""
+        # first nick to join the channel is privileged:
+        self.connectClient("chanop", name="chanop")
+        self.joinChannel("chanop", "#chan")
+
+        self.connectClient("unprivileged", name="unprivileged")
+        self.joinChannel("unprivileged", "#chan")
+        self.getMessages("chanop")
+
+        self.connectClient("unrelated", name="unrelated")
+        self.joinChannel("unrelated", "#unrelated")
+        self.joinChannel("unprivileged", "#unrelated")
+        self.getMessages("unrelated")
+
+    @cases.mark_specifications("Modern")
+    @cases.xfailIfSoftware(["irc2"], "broken in irc2")
+    def testChannelOperatorModeSenderPrivsNeeded(self):
+        """Test that +o from a channel member without the necessary privileges
+        fails as expected."""
+        self.setupNicks()
+        # sender is a channel member but without the necessary privileges:
+        self.sendLine("unprivileged", "MODE #chan +o unprivileged")
+        messages = self.getMessages("unprivileged")
+        self.assertEqual(len(messages), 1)
+        self.assertMessageMatch(messages[0], command=ERR_CHANOPRIVSNEEDED)
+
+    @cases.mark_specifications("Modern")
+    @cases.xfailIfSoftware(["InspIRCd"], "fixed in InspIRCd 4.x")
+    def testChannelOperatorModeTargetNotInChannel(self):
+        """Test that +o targeting a user not present in the channel fails
+        as expected."""
+        self.setupNicks()
+        # sender is a chanop, but target nick is not in the channel:
+        self.sendLine("chanop", "MODE #chan +o unrelated")
+        messages = self.getMessages("chanop")
+        self.assertEqual(len(messages), 1)
+        self.assertMessageMatch(messages[0], command=ERR_USERNOTINCHANNEL)
+
+    @cases.mark_specifications("Modern")
+    def testChannelOperatorModeTargetDoesNotExist(self):
+        """Test that +o targeting a nonexistent nick fails as expected."""
+        self.setupNicks()
+        # sender is a chanop, but target nick does not exist:
+        self.sendLine("chanop", "MODE #chan +o nobody")
+        messages = self.getMessages("chanop")
+        # ERR_NOSUCHNICK is typical, Bahamut additionally sends ERR_USERNOTINCHANNEL
+        if self.controller.software_name != "Bahamut":
+            self.assertEqual(len(messages), 1)
+            self.assertMessageMatch(messages[0], command=ERR_NOSUCHNICK)
+        else:
+            self.assertLessEqual(len(messages), 2)
+            commands = {message.command for message in messages}
+            self.assertLessEqual({ERR_NOSUCHNICK}, commands)
+            self.assertLessEqual(commands, {ERR_NOSUCHNICK, ERR_USERNOTINCHANNEL})
+
+    @cases.mark_specifications("Modern")
+    def testChannelOperatorModeChannelDoesNotExist(self):
+        """Test that +o targeting a nonexistent channel fails as expected."""
+        self.setupNicks()
+        # target channel does not exist, but target nick does:
+        self.sendLine("chanop", "MODE #nonexistentchan +o chanop")
+        messages = self.getMessages("chanop")
+        self.assertEqual(len(messages), 1)
+        # Modern: "If <target> is a channel that does not exist on the network,
+        # the ERR_NOSUCHCHANNEL (403) numeric is returned."
+        # However, Unreal and ngircd send 401 ERR_NOSUCHNICK here instead:
+        if self.controller.software_name not in ("UnrealIRCd", "ngIRCd"):
+            self.assertEqual(messages[0].command, ERR_NOSUCHCHANNEL)
+        else:
+            self.assertIn(messages[0].command, [ERR_NOSUCHCHANNEL, ERR_NOSUCHNICK])
+
+    @cases.mark_specifications("Modern")
+    def testChannelOperatorModeChannelAndTargetDoNotExist(self):
+        """Test that +o targeting a nonexistent channel and nickname
+        fails as expected."""
+        self.setupNicks()
+        # neither target channel nor target nick exist:
+        self.sendLine("chanop", "MODE #nonexistentchan +o nobody")
+        messages = self.getMessages("chanop")
+        self.assertEqual(len(messages), 1)
+        self.assertIn(
+            messages[0].command,
+            [ERR_NOSUCHCHANNEL, ERR_NOTONCHANNEL, ERR_NOSUCHNICK, ERR_USERNOTINCHANNEL],
+        )
+
+    @cases.mark_specifications("Modern")
+    def testChannelOperatorModeSenderNonMember(self):
+        """Test that +o where the sender is not a channel member
+        fails as expected."""
+        self.setupNicks()
+        # sender is not a channel member, target nick exists and is a channel member:
+        self.sendLine("chanop", "MODE #unrelated +o unprivileged")
+        messages = self.getMessages("chanop")
+        self.assertEqual(len(messages), 1)
+        self.assertIn(messages[0].command, [ERR_NOTONCHANNEL, ERR_CHANOPRIVSNEEDED])
+
+    @cases.mark_specifications("Modern")
+    def testChannelOperatorModeSenderAndTargetNonMembers(self):
+        """Test that +o where neither the sender nor the target is a channel
+        member fails as expected."""
+        self.setupNicks()
+        # sender is not a channel member, target nick exists but is not a channel member:
+        self.sendLine("chanop", "MODE #unrelated +o chanop")
+        messages = self.getMessages("chanop")
+        self.assertEqual(len(messages), 1)
+        self.assertIn(
+            messages[0].command,
+            [ERR_NOTONCHANNEL, ERR_CHANOPRIVSNEEDED, ERR_USERNOTINCHANNEL],
+        )
+
+    @cases.mark_specifications("Modern")
+    def testChannelOperatorModeSuccess(self):
+        """Tests a successful grant of +o in a channel."""
+        self.setupNicks()
+
+        self.sendLine("chanop", "MODE #chan +o unprivileged")
+        messages = self.getMessages("chanop")
+        self.assertEqual(len(messages), 1)
+        self.assertMessageMatch(
+            messages[0],
+            command="MODE",
+            params=["#chan", "+o", "unprivileged"],
+        )
+        messages = self.getMessages("unprivileged")
+        self.assertEqual(len(messages), 1)
+        self.assertMessageMatch(
+            messages[0],
+            command="MODE",
+            params=["#chan", "+o", "unprivileged"],
+        )